CN1728949A - Chewing gum comprising at least two different biodegradable polymers - Google Patents

Chewing gum comprising at least two different biodegradable polymers Download PDF

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Publication number
CN1728949A
CN1728949A CN03822649.9A CN03822649A CN1728949A CN 1728949 A CN1728949 A CN 1728949A CN 03822649 A CN03822649 A CN 03822649A CN 1728949 A CN1728949 A CN 1728949A
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China
Prior art keywords
chewing gum
kinds
biodegradable polymers
different biodegradable
acid
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CN03822649.9A
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Chinese (zh)
Inventor
伦·安德森
赫勒·维托夫
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Gumlink AS
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Gumlink AS
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/02—Apparatus specially adapted for manufacture or treatment of chewing gum
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A23G4/064—Chewing gum characterised by the composition containing organic or inorganic compounds containing inorganic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A23G4/08—Chewing gum characterised by the composition containing organic or inorganic compounds of the chewing gum base
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A23G4/10—Chewing gum characterised by the composition containing organic or inorganic compounds characterised by the carbohydrates used, e.g. polysaccharides
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/06—Chewing gum characterised by the composition containing organic or inorganic compounds
    • A23G4/12—Chewing gum characterised by the composition containing organic or inorganic compounds containing microorganisms or enzymes; containing paramedical or dietetical agents, e.g. vitamins
    • A23G4/126—Chewing gum characterised by the composition containing organic or inorganic compounds containing microorganisms or enzymes; containing paramedical or dietetical agents, e.g. vitamins containing vitamins, antibiotics
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G4/00—Chewing gum
    • A23G4/18—Chewing gum characterised by shape, structure or physical form, e.g. aerated products
    • A23G4/20—Composite products, e.g. centre-filled, multi-layer, laminated

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Nutrition Science (AREA)
  • Confectionery (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to chewing gum comprising at least two different biodegradable polymers. According to the invention, a chewing gum comprising at least two different biodegradable polymers exhibits an improved texture prior to any adding of for example softeners. It has been realized that the desired chewing gum texture properties, contrary to every expectation and any prior art disclosures, may actually be obtained when combining biodegradable chewing gum polymers, for example in the gum base or in the final gum.

Description

The chewing gum that comprises at least two kinds of different biodegradable polymers
Technical field
The present invention relates to comprise the chewing gum of at least two kinds of different biodegradable polyesters polymer.
Background technology
Softening agent is the small molecule structure that is commonly used to improve the elastomer texture that is used in the chewing gum.When softening agent was applied to biodegradable polymer, problem was, excessive use can cause dissolve polymer before reaching required texture.
The object of the present invention is to provide a kind of chewing gum, this chewing gum has specific required texture, the structure that can not dissolve whole chewing gum when regulating texture.
Another object of the present invention is to, obtain having the texture suitable, complete biodegradable chewing gum with traditional chewing gum.
According to prior art, the glass transition temperature of understanding chewing gum is extremely important.Especially when relating to Biodegradable chewing gum.
Glass transition temperature Tg can be broadly defined as polymer and experience the temperature of significant change in nature.Tg is that polymer architecture passes through heating to " rubbery state " conversion with by cooling off to " glassy state " conversion part.Tg is considered to so-called second order trnasition, promptly comprises the heat deflection that thermal capacitance changes does not still have latent heat.
According to the prior art in the chewing gum field,, a large amount of effort have been done to obtain the about 37 ℃ glass transition temperature of being lower than of applied chewing gum as disclosed among WO 00/19837 and the US5 672 367.In other words, when chewing gum is chewed and in fact be heated in mouth, the user of chewing gum can change to the environment of chewing gum to be higher than glass transition temperature from being lower than glass transition temperature.
On the other hand, through being usually used in chewing gum and for example at US 5,523, disclosed in 098, the glass transition temperature of chewing gum should not be starkly lower than the storage temperature of rational expectation, as 10-12 degree centigrade as it.Therefore a large amount of effort have been done for the rising of offsetting expection to prevent caking.It is cost-efficient that such transportation and storage temperature are known as right and wrong.In fact, when being transported into or transporting to specific place, such temperature can be impossible.Thereby, at US 5,523, claim in 098: cold flow cause the matrix ball that separates or sheet in conjunction with or fuse together so that can't individual other sheet or ball from they container or carton take out.When storing on its glass transition temperature or transporting, making matrix spherical or sheet can deform.Gravitate, these sheets or club gather agglomerating or piece with other ball or sheet.
This requirement is all reflections to some extent in WO 00/19837 and US 5,672,367, wherein disclose and have contained a kind of Biodegradable chewing gum with single polymers of relative high glass transition temperature.
Yet the shortcoming of the Biodegradable chewing gum of prior art is: characteristic and traditional elastic body that biological degradable elasticity body polymer shows are different.According to prior art, keep the glass transition temperature of resulting chewing gum to be lower than or to be about 37 ℃ by strictness control and solve the characteristic that these depart from, will obtain required performance by this.
Yet the shortcoming of above-mentioned chewing gum is that final available texture may be different from traditional chewing gum.
The objective of the invention is to obtain having the texture that is equivalent to traditional chewing gum, biodegradable chewing gum.
The objective of the invention is to; both be provided at usually or at least under the situation near traditional chewing gum packing (distribution) parameter; in fact can betransported the Biodegradable chewing gum with packing, on the other hand, as chewing gum the time, show acceptable texture again.
Summary of the invention
The present invention relates to comprise the chewing gum of at least two kinds of different biodegradable polymers, wherein at least a described biodegradable polymer comprises polyester polymers.
According to the present invention, before carrying out any interpolation such as softening agent, comprise that the chewing gum of at least two kinds of different biodegradable polymers shows improved texture.Have realized that: disclose on the contrary with each expection and any prior art, in the time of in biodegradable chewing gum polymer being mixed into matrix for example or final chewing gum, can in fact obtain the texture properties of required chewing gum.
In fact biodegradable polymer can be allocated into the suitable polymer blend matrix, for example at least a biodegradable elastomer and at least a biodegradable synthetic resin substitute, this fact has promoted to provide the possibility of complete biodegradable chewing gum.
According to a specific embodiments of the present invention, in order to obtain homogeneous in time or required specific releasing effect, chewing gum will preferably include different Biodegradable polymerics.
According to a specific embodiments of the present invention, have realized that: compare with the release in the chewing gum that makes on traditional basis, the chewing gum that makes on the Biodegradable polymeric basis has improved spices, active component or as the release characteristic of sweetener.Especially definite, compare with traditional chewing gum, chew biodegradable polymers different in the stage and cause very different release characteristics usually whole.
In addition, determine that for obtaining required releasing effect, different releasing effects in fact can be sought stack (super positioned) according to the present invention.
In one embodiment of the invention, at least a in described at least two kinds of different biodegradable polymers comprises at least a biodegradable elastomer, at least a in described at least two kinds of different biodegradable polymers comprises at least a biological degradable elasticity body plasticizer, and described biodegradable plasticizer comprises at least a biodegradable polymer.
An embodiment preferred has recognized that according to the present invention: in fact,, the pairing of biodegradable polymer plasticizer and elastomer can not influenced required non-sticky (non-tack).Have recognized that in addition:, can obtain improved texture by biodegradable plasticizer is blended in chewing gum or the matrix.
And then, compare with traditional biodegradable single or two elastomer system, also can improve the key property of chewing gum.
In the present technique field, one group of elastomer elasticizer is often referred to synthetic or natural resin on function.Thereby according to the term that is used for illustrating purpose of the present invention, except that refering in particular to the resinous type of mentioning especially, term " resin " is thrum gonosome plasticising function broadly.
In one embodiment of the invention, at least a polyester that generates by at least a pure or derivatives thereof and at least a sour or derivatives thereof reaction that comprises in described at least two kinds of different biodegradable polymers.
According to a preferred embodiment of the invention, at least a polymer is that reaction by at least a pure and mild at least a acid generates.When such polymer was used for chewing gum or matrix, for technology and the texture that finally obtains, this base polymer possessed the feature of advantageous feature.
In one embodiment of the invention, described 01 derivatives comprises the ester of alcohol.
Be the unrestricted purpose of explanation, the example of some 01 derivatives comprises: acetin, tripalmitin, decanedioic acid glyceride, adipic acid glyceride, glyceryl tripropanoate etc.Usually, the derivative of preferred polyol is although for example can be used for end-blocking (end capping) by using single hydroxyl alcohol.
In one embodiment of the invention, the derivative of described acid comprises ester, acid anhydride or the halide of carboxylic acid.
The polycondensation of ester exchange reaction that relates to the ester of polyfunctional group acid is generally selection process.For example, the dimethyl ester of terephthalic acids can be used to replace terephthalic acids self.In this case, generation be methyl alcohol rather than water, and the former is discharged from than water is easier.
In one embodiment of the invention, the derivative of described acid comprises the methyl esters of acid.
In one embodiment of the invention, described pure or derivatives thereof comprises polyalcohol.
The application polyalcohol is that one of several characteristic of polyalcohol is for helping the branching of monomer chain.
In one embodiment of the invention, described sour or derivatives thereof comprises the polyfunctional group carboxylic acid.
In one embodiment of the invention, the described at least a Biodegradable polymeric that generates by at least a pure or derivatives thereof and at least a sour or derivatives thereof reaction has the PD of 1.1-20, is preferably 1.3-12.
Embodiment preferred according to the present invention, the scope of PD is higher relatively, especially when the elastomer of handling needs high flexibility.PD refers to polydispersity.Notice that in this article PD may be adjusted when considering molecular weight.Can remedy low relatively polymer molecular weight Mn by high relatively PD, vice versa.
In one embodiment of the invention, at least a polyester that obtains by at least a cyclic ester polymerization that comprises of described at least two kinds of different Biodegradable polymerics.
According to an embodiment preferred of the present invention, because polymerization generally includes open loop, therefore the polyester that is obtained by at least a cyclic ester polymerization does not comprise or comprises hardly aromatic group.Thereby this polymer is generally aliphatic, therefore is characterized as key and biodegradability highly with facile hydrolysis.
In one embodiment of the invention, the described polyester that is obtained by at least a cyclic ester polymerization is to small part derived from alpha-carboxylic acid, as lactic acid and glycolic acid.
According to one embodiment of the invention, at least a applied polyester polymers is derived from 'alpha '-hydroxy acids, as lactic acid and glycolic acid.Because their chemical constitution, resulting ester bond is very easy to hydrolysis, and because these acid are natural metabolites, their ester is subjected to the influence of the plurality of enzymes mechanism of degradation of human body, animal body and bacterium easily.
In one embodiment of the invention, the described polyester that is obtained by at least a cyclic ester polymerization is to small part derived from alpha-carboxylic acid, and the 'alpha '-hydroxy acids unit that in resulting polyester, comprises at least 20 moles of %, be preferably the 'alpha '-hydroxy acids unit of at least 50 moles of %, most preferably be the 'alpha '-hydroxy acids unit of at least 80 moles of %.
Embodiment preferred according to the present invention, the elastomer elasticizer that chewing gum comprises comprises the 'alpha '-hydroxy acids more than 90 moles of %, as lactic acid units.
In one embodiment of the invention, two or more at least cyclic esters are selected from glycolide, lactide, lactone, cyclic carbonate or its mixture.
In one embodiment of the invention, internal ester monomer is selected from 6-caprolactone, δ-Wu Neizhi, gamma-butyrolacton, and beta-propiolactone.It also is included in any non-carbonylic carbon atom place of edge ring by 6-caprolactone, δ-Wu Neizhi, gamma-butyrolacton or beta-propiolactone that one or more alkyl or aryl substituting groups replace, comprises and contains two substituent compounds on the identical carbon atom.
In one embodiment of the invention, wherein carbonate monomer is selected from trimethylene carbonate, 5-alkyl-1,3-diox-2-ketone, 5,5-dialkyl group-1,3-diox-2-ketone or 5-alkyl-5-alkoxy carbonyl group-1,3-diox-2-ketone, ethylene carbonate, 3-ethyl-3-methylol propylene carbonate, trimethylolpropane monocarbonate, 4,6 dimethyl-1, ammediol carbonic ester, 2,2-dimethyl trimethylene carbonate and 1,3-dioxepan-2-ketone and composition thereof.
In one embodiment of the invention, derive from the cyclic ester polymer of cyclic ester monomer polymerization and copolymer thereof including, but not limited to poly-(L-lactide); Poly-(D-lactide); Poly-(D, L-lactide); Poly-(Study of Meso-Lactide); Poly-(glycolide); Poly-(trimethylene carbonate); Poly-(6-caprolactone); Poly-(the L-lactide-altogether-D, the L-lactide); Poly-(the L-lactide-altogether-meso-lactide); Poly-(L-lactide-co-glycolide); Poly-(the L-lactide-altogether-trimethylene carbonate); Poly-(the L-lactide-altogether-6-caprolactone); Poly-(D, the L-lactide-altogether-meso-lactide); Poly-(D, L-lactide-co-glycolide); Poly-(D, the L-lactide-altogether-trimethylene carbonate); Poly-(D, the L-lactide-altogether-6-caprolactone); Poly-(meso-lactide-co-glycolide); Poly-(meso-lactide-altogether-trimethylene carbonate); Poly-(meso-lactide-altogether-6-caprolactone); Poly-(glycolide-altogether-trimethylene carbonate); Poly-(glycolide-altogether-6-caprolactone).
In one embodiment of the invention, the PD of the described polyester that is obtained by at least a cyclic ester polymerization is 1.1-15, is preferably 1.3-9.
According to an embodiment preferred of the present invention, the scope of PD is higher relatively, especially when the elastomer of handling needs the elasticity of height.Notice in this article: PD may adjust to some extent when considering molecular weight.Can remedy low relatively polymer molecular weight Mn by high relatively PD, vice versa.
In one embodiment of the invention, at least a described biodegradable elastomer comprises the described polyester that is generated by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
According to one embodiment of the invention, with regard to the long-term release of chewing gum component such as flavoring agent, the polyester that is generated by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof has been followed favourable release.
In one embodiment of the invention, described elastomer is by at least a acid and at least a diethylene glycol (DEG) and 1 of being selected from that is selected from terephthalic acids, phthalic acid, adipic acid, pimelic acid or its composition, and the reaction of the alcohol of 4-butanediol or its composition generates.
In one embodiment of the invention, the molecular weight of at least a biological degradable elasticity body that described reaction by at least a pure or derivatives thereof and at least a sour or derivatives thereof generates is 10000-250000g/mol (Mn), is preferably 20000-150000g/mol (Mn).
In one embodiment of the invention, at least a described biodegradable elastomer elasticizer comprises the described polyester that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
In one embodiment of the invention, described resin is acid and at least a ethylene glycol, the diethylene glycol (DEG) or 1 of being selected from that is selected from terephthalic acids, succinic acid, malonic acid and adipic acid or its composition by at least a, and the reaction of the alcohol of 4-butanediol and its composition generates.
In one embodiment of the invention, the molecular weight of the described at least a biodegradable elastomer elasticizer that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof is 500-19000g/mol (Mn), is preferably 1500-9000g/mol (Mn).
In one embodiment of the invention, at least a described biodegradable elastomer comprises the described polyester that obtains by the polymerization of at least a cyclic ester.
In one embodiment of the invention, the molecular weight ranges of described biological degradable elasticity body is 10000-1000000g/mol Mn, and preferable range is 30000-250000g/mol Mn.
In one embodiment of the invention, at least a described biodegradable elastomer elasticizer comprises the described polyester that obtains by the polymerization of at least a cyclic ester.
In one embodiment of the invention, described chewing gum comprises at least a elastomer elasticizer, it comprises at least a described polyester that is obtained by at least a cyclic ester polymerization, with at least a elastomer, it comprises at least a described polyester that is generated by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
Two types mixed with polymers benefit together is: can be as the degradability of the height that Biodegradable polymeric provided of elastomer elasticizer, relevant intensity, texture, release and the working ability with respect to adding softening agent etc. with biodegradable elastomeric advantageous feature combines.
In one embodiment of the invention, described at least two kinds different polymer is hydrophilic.
Should note: the hydrophilic degree of the polymer between different polymer may change highly significant.Yet the common fact is that Biodegradable polymeric is more more hydrophilic than traditional polymer.
Typical Biodegradable polymeric is hydrophilic relatively.
In one embodiment of the invention, the difference of the molecular weight between at least two kinds of different polymer is at least 1000g/mol Mn.
According to an advantageous embodiment of the present invention, the molecular weight of applied different polymer should have difference to a certain degree, for obtaining required texture properties, is preferably 1000g/mol Mn at least.Obviously, too impartial if molecular weight becomes, (one or more) plasticized polymer to the plasticization effect of (one or more) polymer with plasticising descend (plasticized decreases).
When between applied Biodegradable polymeric, using the significant relatively molecular weight differences different time, with respect to texture and as the release property of chewing gum, all obtained the adjustment possibility of increase.
According to prior art, in biodegradable chewing gum field, attempted providing having can be with the texture properties of traditional chewing gum suitable chewing gum.According to for example US 6,153,231, have realized that: the chewing gum that makes on biodegradable elastomer basis will preferably prepare on elastomeric basis, thereby has eliminated the disagreeable viscosity of being brought by conventional plasticizers.According to one embodiment of the invention, even if after mixing final matrix or chewing gum, the characteristic that with regard to particular characteristics, has kept polyester basically, so just can obtain the required texture of biodegradable chewing gum by the biodegradable polyesters plasticizer to the plasticising in an advantageous manner of biodegradable polyesters elastomer.This aspect be according to of the present invention one especially to the interested embodiment of Tg.Thereby determine: even in multicomponent system, the Tg of each polyester also can be maintained, thereby with respect to cold flow (cold-floating) characteristic, provides to comprise required multi-functional heteropolymer system.Therefore, when mixing that for example two kinds of different polyester are to matrix or chewing gum in, find that the Tg of polymer does not have change basically.
In one embodiment of the invention, the molecular weight difference between the described at least two kinds different polymer is at least 20000g/mol Mn or is at least 50000g/mol Mn.
In one embodiment of the invention, the molecular weight ranges of described biodegradable plasticizer is 500-19000g/mol, and preferable range is 1500-9000g/mol Mn.
In one embodiment of the invention, described at least two kinds of different biodegradable polymers have different glass transition temperature Tg.
According to one embodiment of the invention, have realized that: when at least two kinds of applied Biodegradable polymerics have different glass transition temperatures, can obtain having the Biodegradable chewing gum of texture that can be suitable with traditional chewing gum.In other words, with regard to glass transition temperature, applied Biodegradable polymeric forms mixed polymer matrix or the chewing gum with at least two kinds of different qualities.
According to one embodiment of the invention, at least a applied biodegradable polymer can be used for resisting the cold flow of matrix or finished product chewing gum, and at least a other polymer can be used to obtain the required chewing gum characteristic with respect to texture.
In other words, have recognized that according to the present invention: more during according to polymer of the present invention when using, with respect to applied biodegradable chewing gum polymer, the expectation requirement can obviously be loosened.
Thereby, according to one embodiment of the invention, with regard to cold flow, make the easy major issue of the transportation of final products can even and unexpectedly, by at least a stable biodegradable polymer one for example being had the biodegradable polymer of high relatively glass transition temperature, and be characterized as the method that other biological degradable polymer that vitrification point is different from stable polymer mixes mutually and solve.Usually, this at least a other biological degradable polymer can be selected from, and for example has the elastomer of low relatively glass transition temperature.
In addition according to one embodiment of the invention, have realized that: when biodegradable polymer being blended in matrix or the chewing gum compositions, compare some fragility with traditional polymer, and have recognized that: this fragility to softening agent can be remedied when the mixture of application enhancements texture, and described mixture is at least two kinds of mixture of polymers with different glass transition temperatures.Therefore by this true demand that just can reduce structure reduction softening agent, than single Tg chewing gum polymer blend, texture is improved.
In one embodiment of the invention, described at least two kinds of different biodegradable polymers have different glass transition temperature Tg.
According to the present invention, at least a applied biodegradable polymer can be used for resisting the cold flow of matrix or finished product chewing gum, and at least a other polymer can be used to obtain the characteristic of chewing gum required with regard to texture.
A kind of polymer that is used to resist the cold flow purpose should be preferably high relatively Tg, provides another polymer of favourable texture then should be preferably low relatively Tg, is lower than room temperature usually basically.
According to the present invention, have realized that when the chewing gum elastomer that mixes and elastomer solvent comprise at least two kinds of different Tg, can obtain required texture properties.
In one embodiment of the invention, at least a applied Biodegradable polymeric is preferably plasticizer, has at least+1 ℃, is preferably at least+10 ℃, more preferably at least+20 ℃ glass transition temperature.
In one embodiment of the invention, at least a described at least two kinds of different biodegradable polymers have and are lower than 0 ℃, are preferably to be lower than-30 ℃, more preferably are lower than-50 ℃ glass transition temperature.
In one embodiment of the invention, resulting chewing gum has at least two kinds of different glass transition temperature Tg.
Advantageous embodiment according to the present invention, matrix or chewing gum according to the present invention's preparation have at least two kinds of different glass transition temperatures, thereby, the polymeric system that comprises at least two kinds of different biodegradable polymers is characterised in that and is not to mix fully by dissolving fully, but possessed the mixing of the polymer of these at least two kinds of polymer property.
In one embodiment of the invention, chewing gum comprises at least a biological degradable elasticity body and at least a biodegradable plasticizer with the glass transition temperature that surpasses 0 ℃ with the glass transition temperature that is lower than 0 ℃.
In one embodiment of the invention, described chewing gum comprises: at least a biodegradable elastomer, content is the about 70 weight % of about 0.5-of chewing gum, at least a biodegradable plasticizer, content is the about 70 weight % of about 0.5-of chewing gum, with at least a chewing gum component, be selected from softening agent, sweetener, flavoring agent, active component and filler, content is the about 80 weight % of about 2-of chewing gum.
In one embodiment of the invention, all biodegradable polymers that are included in the chewing gum account at least 25% of chewing gum polymer, preferably account at least 50% of chewing gum polymer.
In one embodiment of the invention, the biodegradable polymer that is included in the chewing gum accounts at least 80% of chewing gum polymer, preferably accounts at least 90% of chewing gum polymer.
In one embodiment of the invention, chewing gum does not contain abiotic degradable polymer substantially.
Preferably, chewing gum does not contain abiotic degradable polymer.
In one embodiment of the invention, described chewing gum component comprises flavoring agent.
In one embodiment of the invention, it is the about 30 weight % of 0.01-that described chewing gum comprises amount of flavorants, and described percentage is preferably the about 4 weight % of 0.2-based on the gross weight of chewing gum, and described percentage is based on the gross weight of chewing gum.
In one embodiment of the invention, described chewing gum component comprises sweetener.
In one embodiment of the invention, chewing gum comprises that the amount of filled-type sweetener is that about 5-of chewing gum weight is about 95%, more typically is about 20-about 80% of chewing gum weight.
In one embodiment of the invention, the amount that chewing gum comprises high-intensity sweeteners is that about 0-of chewing gum weight is about 1%, more typically is about 0.05-about 0.5% of chewing gum weight.
In one embodiment of the invention, chewing gum comprises that the amount of at least a softening agent is that about 0-of chewing gum weight is about 18%, more typically is about 0-about 12% of chewing gum weight.
In one embodiment of the invention, described chewing gum component comprises active component.
In one embodiment of the invention, chewing gum comprises that the amount of filler is that about 0-of chewing gum weight is about 50%, more typically is about 10-about 40% of chewing gum weight.
In one embodiment of the invention, chewing gum comprises at least a colouring agent.
In one embodiment of the invention, chewing gum is coated by outer coatings.
According to one embodiment of the invention, described chewing gum comprises traditional chewing gum polymer and/or elastomer elasticizer.
According to one embodiment of the invention, at least a Biodegradable polymeric comprises 5% of chewing gum polymer at least.
Description of drawings
With reference to description of drawings the present invention, wherein
Fig. 1 and 2 illustrates the rheological behavior according to chewing gum of the present invention
Fig. 3-5 illustrates the sense organ texture performance according to chewing gum of the present invention
Fig. 6 and 7 illustrates the stress curve and the frequency curve of the different matrixs that make according to the present invention
Specific embodiments
Unless otherwise, as used herein, term " molecular weight " refers to the mean value (Mn) of molecular weight.Write a Chinese character in simplified form PD and refer to polydispersity.
Can be by for example DSC (DSC: differential scanning calorimetry) determine glass transition temperature.DSC can be used for determining and the heat deflection of research polymer usually, and this technology especially can be used for determining the second order trnasition of material, comprises that promptly thermal capacitance changes, but the heat deflection that does not have latent heat to change.Glass transition is a second order trnasition.
In the example, two kinds of dissimilar polymer can refer to polyester type 1 and polyester type 2 usually in the following detailed description of.Polyester type 1 is often referred to the polyester that the reaction by at least a pure or derivatives thereof and at least a sour or derivatives thereof generates.In specification and claim, provide further specifying of this type polyester polymers.Polyester type 2 is often referred to the polyester polymers that is obtained by at least a cyclic ester polymerization.In specification and claim, provide further specifying of this type polyester polymers.
In this article, after term " environment or Biodegradable polymeric compound " refers to abandon chewing gum, the chewing gum base component can stand physics, chemistry and/or biodegradation, thereby being become, the chewing gum refuse that abandons is easy to remove from abandoning the position, or finally resolve into agglomerate or particle, be the chewing gum residue and no longer can identify it.The degraded of this degradable polymer or decompose and influenced by following factors or induce, physical factor such as temperature, light, humidity, chemical factor such as pH change or the hydrolysis that effect caused of enzyme that can degradation polymer.In other useful embodiments, all polymers compositions of matrix all are environmentally degradable or Biodegradable polymeric.
Preferably, final catabolite is carbon dioxide, methane and water.
The preferred definition of biodegradability in according to the present invention, biodegradability is the character of specific organic molecule, when being exposed to natural environment or place in the organism alive, they are by enzyme or microbial process reaction, usually combine with pure chemistry process such as hydrolysis, generating simpler compound, finally is carbon dioxide, methane and water.
Therefore, can be applied to other environment of matrix of the present invention or the suitable example of biodegradable chewing gum base polymer comprises: degradable polyester, poly-(ester-carbonic ester), Merlon, polyesteramide, polypeptide, amino acid whose homopolymers such as polylysine and protein comprise its derivative, as comprise the protolysate of zein hydrolysate.Useful especially this type compound comprises the polyester polymers that obtains by one or more cyclic esters of polymerization such as lactide, glycolide, trimethylene carbonate, δ-Wu Neizhi, beta-propiolactone and 6-caprolactone, and by open chain polyacid and polyalcohol, for example the mixture polycondensation of adipic acid and diethylene glycol and the polyester that obtains.Hydroxycarboxylic acid such as 6-hydroxycarboxylic acid can be used for forming polyester equally or they can be shared with the mixture of polyacid and polyalcohol.This degradable polymer can be homopolymers, copolymer or terpolymer, comprises grafting and block polymer.
Embodiment 1
The preparation of the resin of polyester type 2
Use is furnished with, and 10L control reactor glass puddler and Teflon stirring vane and outlet at bottom, cylinder glass, the strap clamp cover prepares resin sample.By the silicone oil of circulation insulation, through the heating of external jacket realization to reactor content to 130 ℃.(358.87g, 3.145mol) and 1, (79.87g is 1.050mol) with stannous octoate (1.79g, 4.42 * 10 as catalyst for the 2-propane diols with 6-caprolactone -3Mol) pack into together reactor and 130 ℃ the reaction about 30min.The D that adds fusion then, (4.877kg 33.84mol), and continues about 2 hours of reaction to the L-lactide.When finishing during this period of time, open outlet at bottom, with the polymer discharge of fusion in the container that scribbles the Teflon liner.
The character representation of product is: Mn=6, and 000g/mol and Mw=7,000g/mol (having the gel permeation chromatography of MALLS at thread detector) and Tg=25-30 ℃ (DSC, 10 ℃ of firing rates/min).
Embodiment 2
The preparation of the resin of polyester type 1
Use is furnished with top formula agitator, nitrogen inlet tube, thermometer and prepares resin (elastomer solvent) sample in order to the 500mL resin kettle of the still head of removing methyl alcohol.126.22g (0.65mol) dimethyl terephthalate of in still, packing into, 51.15g (0.35mol) dimethyl succinate, the Calcium diacetate monohydrate of 64.27g (1.036mol) ethylene glycol and 0.6g.Under the logical condition of nitrogen gas, slowly add hot mixt while stirring and all melt (120-140 ℃) up to all components.Continue heating and stirring and continuous distillating carbinol.Temperature slowly rises in 150-200 ℃ scope and stops to discharge up to methyl alcohol.Stop heating and make content be cooled to about 100 ℃.Remove the lid of reactor and the polymer of fusion is carefully poured in the receiving vessel.
The character representation of product is: Mn=5, and 000g/mol and Mw=10,000g/mol (having the gel permeation chromatography of MALLS at thread detector) and Tg=30 ℃ (DSC, 10 ℃ of firing rates/min).
Embodiment 3
The elastomeric preparation of polyester type 2
Following N in drying 2The sample of synthetic elastomer in the glove-box.At logical dry N 2Under the condition of gas, the 0.73g 1 that in the 500mL resin kettle of being furnished with top formula mechanical agitator, packs into, 2-propane diols (3.3mL22.0% (w/v) dichloromethane solution) and 0.152g Sn (Oct) 2(3.56ml 4.27% (w/v) dichloromethane solution).Logical N 2 Make carrene volatilization 15 minutes.Add then 6-caprolactone (300g, 2.63mol) and δ-Wu Neizhi (215g, 2.15mol).Resin kettle is immersed in 130 ℃ the constant temperature oil bath, and stirs 14h.From oil bath, take out resin kettle then, and make it to cool off in room temperature.Solid-state Resilient product with cutter taking-up fritter places plastic containers.The character representation of product is: Mn=60, and 000g/mol and Mw=90,000g/mol (having the gel permeation chromatography of MALLS at thread detector) and Tg=-70 ℃ (DSC, 10 ℃ of firing rates/min).
Embodiment 4
The elastomeric preparation of polyester type 1
Use is furnished with top formula agitator, nitrogen inlet tube, thermometer and prepares elastomer sample in order to the 500mL resin kettle of the still head of removing methyl alcohol.83.50g (0.43mol) dimethyl terephthalate of in still, packing into, 99.29g (0.57mol) dimethyl succinate, the Calcium diacetate monohydrate of 106.60g (1.005mol) ethylene glycol and 0.6g.Under the logical condition of nitrogen gas, slowly add hot mixt while stirring and all melt (120-140 ℃) up to all components.Continuing heating and stirring and methyl alcohol constantly is distilled.Temperature slowly rises in 150-200 ℃ scope and stops to discharge up to methyl alcohol.Stop heating and make content be cooled to about 100 ℃.
Remove the lid of reactor and the polymer of fusion is carefully poured in the receiving vessel.
The character representation of product is: Mn=40, and 000g/mol and Mw=190,000g/mol (having the gel permeation chromatography of MALLS at thread detector) and Tg=-30 ℃ (DSC, 10 ℃ of firing rates/min).
With reference to embodiment 2 and 4 about polyester type 1, within the scope of the invention, common such polymer can be by two-, three-or more the alcohol of high functionality or its ester and two-, three-or more the aliphatic of high functionality or the progressively polymerization of aromatic carboxylic acid or its ester prepare.Equally, the hydroxyl acid or anhydride of polyfunctional group carboxylic acid and halide also can be used as monomer.Polymerization can comprise direct polyesterification or ester exchange reaction, and can be by catalysis.Use branched monomer to suppress the crystallinity of polyester polymers.Mixing along the different monomers unit of chain has also suppressed crystallinity.For control reaction with obtain the molecular weight of polymer, alcohol or acid that can be by adding simple function group and/or utilize that stoichiometric imbalance stops polymer chain between acid groups and alcohol groups or the derivative of the two.Equally, the degree of branching in the polymer is controlled in available long-chain fat family's carboxylic acid or aromatic monocarboxylate's adding, on the contrary, causes branching with multi-functional monomer sometimes.In addition, following monofunctional polymerizable group compound can be used for end-blocking free hydroxyl and oh group.
Usually, the polyfunctional group carboxylic acid is dystectic solid, and the dissolubility of this solid in the polycondensation reaction medium is very limited.The ester or the acid anhydride of polyfunctional group carboxylic acid commonly used overcome this limitation.Polycondensation comprises the water as polycondensation product that the carboxylic acid or anhydride generates, and it needs high temperature to get rid of.Therefore the polycondensation of ester exchange reaction that relates to polyfunctional acid's ester often is preferred technology.For example, the dimethyl ester of terephthalic acids can be used for replacing terephthalic acids itself.In this case, generation be methyl alcohol rather than water, and the former is excluded than water is easier.Usually, be reflected under body (solvent-free) and the high temperature and carry out, and remove accessory substance and order about with vacuum and react completely.Except that ester or acid anhydride, the also halide of available carboxylic acid under specific environment.
Usually for the preparation of polyester type 1, institute preferably polyfunctional group carboxylic acid or derivatives thereof both can be saturated, can be undersaturated aliphatic series or aromatics also, and contained 2-100 carbon atom, is preferably and contains 4-18 carbon atom.In the polymerization of polyester type 1, the example of some applicable carboxylic acids (these examples can use at this point or use its derivative) comprising: α polyfunctional group carboxylic acid such as oxalic acid, malonic acid, citric acid, butanedioic acid, malic acid, tartaric acid, fumaric acid, maleic acid, glutaric acid, glutamic acid, adipic acid, glucosaccharic acid, pimelic acid, suberic acid, azelaic acid, decanedioic acid, dodecanedioic acid etc., with cyclic aliphatic polyfunctional group carboxylic acid such as cyclopropane dicarboxylic acid, cyclobutane dicarboxylic acid, cyclohexane dicarboxylic acid etc., with aromatic series polyfunctional group carboxylic acid such as terephthalic acids, isophathalic acid, phthalic acid, trimellitic acid (trimellitic), PMA and naphthalene 1,4-, 2,3-, 2,6-dicarboxylic acids etc.Be the unrestricted purpose of explanation, the example of some carboxylic acid derivates comprises: acid anhydride, halide or the ester of carboxylic acid such as 3-hydracrylic acid and 6 hydroxycaproic acid and acid, for example dimethyl ester or diethylester, corresponding to already mentioned acid, the ester of indication for example: oxalic acid dimethyl or oxalic acid diethyl ester, malonate, succinate, fumarate, maleate, glutarate, adipate ester, pimelate, suberate, azelate, sebacate, dodecanedioic acid ester, terephthalate, isophthalic acid ester, phthalic acid ester etc.In general, because high-boiling point alcohol is than the more difficult fact of removing of low-boiling point alcohol, methyl esters is more more preferred than ethyl ester sometimes.
In addition, usually preferred polyfunctional alcohol is contained 2-100 carbon atom such as polyethylene glycol, polyglycerol.The example of some available alcohol in the polymerization technique of polyester type 1 (these examples can so use or use its derivative) comprising: polyalcohol such as ethylene glycol, 1,2-propane diols, 1, ammediol, 1, the 3-butanediol, 1, the 4-butanediol, 1,6-hexylene glycol, diethylene glycol, 1, the 4-cyclohexanediol, 1, the 4-cyclohexanedimethanol, neopentyl glycol, glycerine, trihydroxymethyl propane, pentaerythrite, D-sorbite, sweet mellow wine etc.Be the unrestricted purpose of explanation, the example of some 01 derivatives comprises: acetin, tripalmitin, decanedioic acid glyceride, adipic acid glyceride, glyceryl tripropanoate (tripropionin) etc.
In addition, with regard to the polymerization of polyester type 1, used sometimes chain terminating agent (chain-stoppers) is the compound of simple function group.They are preferably the single hydroxyl alcohol that contains 1-20 carbon atom, also can be preferably the monocarboxylic acid that contains 2-26 carbon atom.Common example be in or the fatty alcohol or the acid of long-chain, detailed example comprises: single hydroxyl alcohol such as methyl alcohol, ethanol, butanols, hexanol, octanol etc., with dodecanol, tetradecanol, hexadecanol, octadecanol, stearyl alcohol etc., with the naphthoic acid of monocarboxylic acid such as acetate, laurate, myristic acid, palmitic acid, stearic acid, arachidonic acid, cerinic acid, dodecylenic acid, palmitoleic acid, oleic acid, linoleic acid, leukotrienes, erucic acid, benzoic acid, naphthoic acid and replacement, 1-methyl-2-naphthoic acid and 2-isopropyl-1-naphthoic acid etc.
Usually, the acetate that to be used in acid catalyst in the polymerization of polyester type 1 or ester exchange catalyst and those nonrestrictive examples be metallic catalyst such as manganese, zinc, calcium, cobalt or magnesium, and antimony oxide, oxidation or germanium halide and four alkoxyl germanium, the alkoxide of titanium, the salt of zinc or aluminium.
With reference to the example 1 and 3 about polyester type 2, such polymer can obtain by the ring-opening polymerisation of one or more cyclic esters usually, and described cyclic ester comprises glycolide, lactide, lactone and carbonic ester.Polymerization process can be at least a suitable catalyst such as metallic catalyst, with stannous octoate is nonrestrictive example, exist down and take place, and polymerization process can be caused by initator such as polyalcohol, polyamine or other molecule and its mixture with polyhydroxy or other reactive group.
Embodiment 5
The preparation of matrix
All matrixs are prepared by following basic recipe:
The preparation of table 1 matrix
Sequence number Type Elastomer Resin The ratio of elastomer/resin
201 The biodegradable matrix The elastomer polymer of embodiment 3 The resinous polymer of embodiment 1 50/50
202 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 2 50/50
203 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 5/95
204 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 10/90
205 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 25/75
206 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 40/60
207 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 50/50
208 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 60/40
209 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 80/20
210 The biodegradable matrix The elastomer polymer of embodiment 4 The resinous polymer of embodiment 1 95/5
Matrix is prepared as follows:
Elastomer and resin are joined in the mixing kettle of the Z-shaped arm that mixing arrangement such as horizontal positioned are installed.Described still preheats 15 minutes and is about 60-80 ℃ to temperature.With mixture mixing 10-20 minute, become even up to whole mixtures.
Then mixture is discharged in the dish, and makes it to be cooled to room temperature from 60-80 ℃ discharge temperature,
Embodiment 6
The preparation of chewing gum
All chewing gum formulations are prepared by following basic recipe:
Peppermint:
Component Percentage by weight
Matrix 32
D-sorbite 43.8
Maltitol 3
Peppermint oil 1.5
Menthol crystal 0.5
Aspartame 0.1
Acesulfame 0.1
Xylitol 6
Softening agent 6
Emulsifying agent 2
Filler 5
Optionally softening agent, emulsifying agent and the filler part as the matrix preparation is joined in the polymer.
Table 2: peppermint chewing gum
Chewing gum The composition that adds Matrix number
2001 2% lecithin, 2% glycerine 201
2002 2% lecithin, 2% glycerine 202
2003 - 203
2004 - 204
2005 - 205
2006 - 206
2007 2% lecithin, 2% glycerine 207
2008 - 208
2009 - 209
2010 - 210
Be prepared as follows chewing gum product:
Matrix is joined in the mixing kettle of the Z-shaped arm that mixing arrangement such as horizontal positioned are installed.Described still preheats 15 minutes and is about 60-80 ℃ to temperature, perhaps is right after after the matrix preparation, in matrix and still all have about 60-80 ℃ the same blender of temperature, makes chewing gum in a step.
D-sorbite with 1/2nd added and mixes with matrix 3 minutes.Add peppermint and menthol in the still then and mixed 1 minute.Add remaining half D-sorbite and mixed 1 minute.Slow adding softening agent also mixed 7 minutes.Then add Aspartame and acesulfame in the still and mixed 3 minutes.The adding xylitol also mixed 3 minutes.Subsequently the chewing-gum mixture of gained is discharged, and for example transfer in 40-48 ℃ the dish.Chewing gum is rolled and is divided into core, rod, ball, square and any other required shape subsequently, then optionally carries out dressing and glossing before packing.
Obviously, within the scope of the present invention, in the manufacture process of chewing gum, can adopt other technology and composition.List and explain the variable of heterogeneity below.
Can comprise colouring agent according to chewing gum of the present invention.According to one embodiment of the invention, chewing gum can comprise colouring agent and brightening agent such as FD﹠amp; C-type dye and color lake, fruit and plant extracts, titanium dioxide and composition thereof.In addition, available chewing gum base composition comprise antioxidant as, butylated hydroxytoluene (BHT), butylated hydroxy anisole (BHA), n-propyl gallate and tocopherol, and anticorrisive agent.
In one embodiment of the invention, chewing gum comprises that the amount of softening agent is that about 0-of chewing gum weight is about 18%, more is typically about 0-about 12% of chewing gum weight.
In chewing gum and matrix, can add softening agent/emulsifying agent according to the present invention.
Gum base formulation can be according to the present invention includes one or more softening agents; comprise among the WO 00/25598 that incorporates this paper by reference into disclosed as SPE; grease, hydrogenated oil and fat, hydrogenation and partially hydrogenated vegetable oil, cocoa butter, degreased cocoa powder, glyceryl monostearate, glycerol triacetate, lecithin, single acid-, diacid-and triglyceride, acetylated monoglycerides, aliphatic acid (as stearic acid, palmitic acid, oleic acid and linoleic acid), and composition thereof.Terminology used here " softening agent " is meant softening matrix or chewing gum formulations and comprises the component of wax, fat, oil, emulsifying agent, surfactant and solubilizer.
For further softening matrix and lock water (water-binding) characteristic being provided, it is given the pleasant smooth surface of matrix and reduces its adherence, usually one or more emulsifying agents are joined in the composition, be generally the 0-18 weight % of matrix weight, be preferably 0-12%.The example of the emulsifying agent of usual the added chewing gum base that uses has: single acid of edible fatty acid-and Diglyceride, single acid of edible fatty acid-and the lactate of Diglyceride and acetic acid esters, the acid of acetyl list-and Diglyceride, the sugar ester of edible fatty acid, stearic acid Na-, K-, Mg-and Ca-salt, lecithin, hydroxylated lecithin etc.As the biology of giving a definition or active constituents of medicine situation about existing under, be to disperse and release of active ingredients, prescription can comprise specific particular emulsifier and/or solubilizer.
When the preparation chewing gum base, wax commonly used is adjusted denseness and softening chewing gum base.All can use with wax suitable type about any usual use of the present invention, for example be exemplified as: rice bran wax, Tissuemat E, pertroleum wax (fully refined paraffin wax and microwax), paraffin, beeswax, Brazil wax or may ground lira wax.In one embodiment of the invention, matrix is no wax.
In one embodiment of the invention, chewing gum comprises filler.
The words that need, the chewing gum base prescription can comprise that one or more filler/quality improvers for example comprise: magnesium carbonate and calcium carbonate, sodium sulphate, powdered whiting, silicate compound such as magnesium silicate and alumina silicate, kaolin and clay, aluminium oxide, silica, talcum, titanium oxide, one-lime phosphate, Dicalcium Phosphate and tricalcium phosphate, cellulosic polymer such as timber, and composition.
In one embodiment of the invention, chewing gum comprises that the amount of filler is that about 0-of chewing gum weight is about 50%, more typically is about 10-about 40% of chewing gum weight.
In this article, chewing gum component can for example comprise: filled-type sweetener, high-intensity sweeteners, flavoring agent, softening agent, emulsifying agent, colouring agent, adhesive, acidulant, filler, antioxidant and other compositions be medicine or bioactive ingredients for example, to give the chewing gum finished product required characteristic.
Suitable filled-type sweetener comprise sugar with the sweet component of increasing of non-sugar.It is about 95% that the filled-type sweetener generally includes about 5-of chewing gum weight, more typically is that about 20-of chewing gum weight is about 80%, for example 30-60 weight %.
Available sugared sweetener is the saccharic composition that contains in chewing gum field common general knowledge, include but not limited to: the invert sugar of sucrose, glucose, maltose, dextrin, trehalose, D-Tagatose, drying, fructose, levulose, galactolipin, corn syrup solids etc., alone or in combination.
D-sorbite can be used as non-sugar sweetener.Other available non-sugar sweeteners include but not limited to: other sugar alcohol such as mannitol, xylitol, hydrogenated starch hydrolysates, maltitol, isomaltol, erythritol, lactitol etc., alone or in combination.
High intensity artificial sweetener also can be used alone or in combination with above-mentioned sweetener.Preferred high-intensity sweeteners includes but not limited to: the salt of independent Sucralose, Aspartame, acesulfame, alitame, asccharin and its salt, cyclamic acid and its salt, glycyrrhizin, dihydrochalcone, Suo Matian, Mo Neilin, Stevioside etc., or its combination.Sugariness and the sense of taste sensation that provides the longer time to continue, the suitable release that it is incapsulated or otherwise is controlled to the artificial sweetener of small part are provided.Can adopt technology as: wet granulation, wax granulation, spray-drying, spray chilling, fluid bed coat, cohesion, the bubble chamber coats and fiber is extruded and obtained required release characteristics.Also available another kind of gum components such as resin compound provide the coating of sweetener.
The horizontal marked change of the consumption of artificial sweetener and depend on intensity, rate of release, the required sugariness of finished product, the consumption level of used spices and the factor of type and cost consideration as sweetener.Thereby the consumption level of artificial sweetener can be the about 30 weight % of about 0.02-, is preferably the about 8 weight % per unit weights of 0.02-.When comprising the carrier that is used for coating, the consumption level of the sweetener of coating is with proportional increase.The composition of sugar and/or non-sugar sweetener can be used to the chewing gum formulations of the processing according to the present invention.In addition, emulsifying agent also can provide extra sweet taste as having sugar or sugar alcohol aqueous solution.
If need the chewing gum of low-calorie, can use the filler of low-calorie.The example of low calorie bulking agent comprises: polydextrose, Raftilose (FOS), Raftilin (inulin), FOS (NutraFlora ), palatinose-oligosaccharides; The guar gum hydrolysate is (as Sun Fiber ) dextrin that maybe can not absorb is (as Fibersol ).Yet, also can use the filler of other low-calorie.
Can contain aromatic and flavoring agent according to chewing gum of the present invention, comprise:, comprise acid and other materials that can influence taste effect for example with the natural and synthetic spices of natural plant component, essential oil, essence, extract, powder type.Liquid and pulverous spices comprises coconut, coffee, chocolate, vanilla, grape fruit, tangerine, bitter orange, menthol, Radix Glycyrrhizae, camerlsed, honey perfume, peanut, English walnut, cashew nut, hazelnut, almond, pineapple, strawberry, raspberry, tropical fruit (tree), cherry, Chinese cassia tree, peppermint, wintergreen, spearmint (spearmint), eucalyptus oil and peppermint, and fruit essence is as being derived from the essential oil of apple, pears, peach, strawberry, apricot, raspberry, cherry, pineapple and plum.Essential oil comprises the oil of peppermint, spearmint, menthol, eucalyptus oil, caryophyllus oil, bay (leaf) oil, anise, thyme, cedar leaves oil, nutmeg and above-mentioned fruit.
The spices of chewing gum can be cryodesiccated natural flavoring agent, is preferably with powder, sheet or block form or its combination.Particle diameter can be less than 3mm, less than 2mm or more preferably less than 1mm, in the longest dimension of particle.Natural flavoring agent can be the particle diameter form of about 3 μ m-2mm, for example 4 μ m-1mm.Preferred natural flavoring agent comprises the seed of fruit, for example strawberry, blackberry, blueberry and raspberry.
Different synthetic perfumes, for example the fruit flavor of Hun Heing also can be used in this chewing gum glue core.As top specified, what the comparable tradition of the consumption of aromatic was used lacks.According to the used aromatic and/or the required intensity of spices, the consumption of aromatic and/or spices can be the 0.01-about 30% of end product weight.Preferably, the content of aromatic and/or spices is in the scope of the 0.2-3% of composition total weight.
In one embodiment of the invention, flavoring agent comprises the natural and synthetic spices with natural plant component, essential oil, essence, extract, powder type, comprises acid and other materials that can influence taste effect.
And then the chewing gum component that can be included in the chewing gum according to the present invention comprises: surfactant and/or solubilizer, and especially when having medicine or bioactive ingredients.As the example that in chewing gum compositions, is used as the surfactant types of solubilizer according to the present invention, with reference to H.P.Fiedler, Lexikon der Hilfstoffe f ü r Pharmacie, Kosmetik und Angrenzende Gebiete, the food emulsifying agent tabulation of 63-64 page or leaf (1981) and each state approval.Can use anion, cation, both sexes or non-ionic solubilizer.Suitable solubilizer comprises: lecithin, Myrj 45, polyoxyethylene sorbitan fatty acid ester, soap, the single acid of edible fatty acid and the single acetyl and the diacetyl tartrate of Diglyceride, the single acid of edible fatty acid and the citrate of Diglyceride, the sucrose ester of aliphatic acid, the polyglycerol ester of aliphatic acid, the polyglycerol ester of intersterification castor oil acid (E476), sodiumstearoyllatylate, the sorbitan ester of sulfuric acid sodium laurate and aliphatic acid and polyoxyethylene hydrogenated castor oil (for example product of selling with trade name CREMOPHOR), the block copolymer of oxirane and expoxy propane (as the product of selling with trade name PLURONIC and POLOXAMER), polyoxyethylene aliphatic alcohol ether, polyoxyethylene sorbitan fatty acid ester, the sorbitan ester of aliphatic acid and Myrj 45.
Especially Shi Yi solubilizer is Myrj 45, for example be exemplified as polyoxyethylene (8) stearate and polyoxyethylene (40) stearate, polyoxyethylene sorbitan fatty acid ester with trade name TWEEN sale, TWEEN20 (monolaurate) for example, TWEEN80 (monoleate), TWEEN40 (monopalmitate), TWEEN60 (monostearate) or TWEEN65 (three hard ester acid esters), the single acid of edible fatty acid and the single acetyl and the diacetyl tartrate of Diglyceride, the single acid of edible fatty acid and the citrate of Diglyceride, sodium stearoyllatylate, the sulfuric acid sodium laurate, the polyoxyethylene hydrogenated castor oil, the block copolymer of oxirane and expoxy propane and polyoxyethylene aliphatic alcohol ether.Solubilizer both can be that single compound also can be several combination of compounds.In the presence of active component, chewing gum also can preferably include the known carrier of prior art.
In one embodiment of the invention, chewing gum comprises medicine, cosmetics or bioactivator.The comprehensive list of this class active material example can be found in WO 00/25598, it incorporates this paper by reference into, comprise medicine, food additives, anticorrisive agent, pH-conditioning agent, smoking cessation agent, and the material of nursing or treatment oral cavity and tooth, as hydrogen peroxide and the compound that can in the process of chewing, discharge urea.The example of the useful activity material of anticorrisive agent form (for example comprises the salt of guanidine and biguanides and derivative, chlorhexidine acetate), and the material with limited water miscible following type: quaternary ammonium compound is (as ceramine, dichloroxylenol, crystal violet, chloramines), aldehyde (as paraformaldehyde), dequaline, polynoxyline, phenol derivatives is (as thymol, p-chlorophenol and cresols), hexachlorophene, the N-phenylsalicylamide compound, triclosan, halogen (iodine, iodophor, chloramines, dichlorocyanuric acid salt), alcohols (3, the 4-dichlorbenzyl alcohol, phenmethylol, Phenoxyethanol, benzyl carbinol), also referring to Martindale, The Extra Pharmacopoeia, 28th edition, page 547-578; Can comprise having limited water miscible slaine, complex and compound, as aluminium salt (alum AlK (SO for example 4) 2,12H 2O) and the salt of following material, complex and compound: boron, barium, strontium, iron, calcium, zinc, (zinc acetate, zinc chloride, zinc gluconate), copper (copper chloride, copper sulphate), lead, silver, magnesium, sodium, potassium, lithium, molybdenum, vanadium; Other components of nursing oral cavity and tooth, salt, complex and the compound of for example fluorine-containing (as sodium fluoride, sodium monofluorophosphate, amino fluoride, tin fluoride), phosphate, carbonate and selenium.Other active materials can be at J.Dent.Res.Vol.28 No.2, and page 160-171 finds in 1949.
The example of the active material of pH conditioning agent form comprises in the oral cavity: acid, and as adipic acid, butanedioic acid, fumaric acid or its salt, or the salt of citric acid, tartaric acid, malic acid, acetic acid, lactic acid, phosphoric acid and glutaric acid; With acceptable alkali, as the oxide of carbonate, bicarbonate, phosphate, sulfate or sodium, potassium, ammonium, magnesium or calcium, the oxide of magnesium and calcium especially.
Active component can comprise compound or derivatives thereof cited below, but is not limited to: paracetamol; Acetylsalicylic acid; Buprenorphine; Bromhexine; Plug comes former times cloth; Codeine; Diphenhydramine; Diclofenac; According to his former times cloth; Brufen; Indomethacin; Ketoprofen; Luminracoxib; Morphine; Naproxen; Methadone; SC 69124; Piroxicam; Pseudoephedrine; Rofecoxib; Tenoxicam; Bent horse is many; Valdecoxib; Calcium carbonate; Magnesium adds aluminium; Two sulphur logical sequences; Bupropion; Nicotine; Archie thunder element; CLA; The Cray azoles; Erythromycin; Tetracycline; Granisetron; Ondansetron; Prometazin; Tropisetron; Brompheniramine; Ceterizin; Leco-Ceterizin; Chlorcyclizine; Chlorine Pfennig Lamine; Chloropheniramine; The hexichol peace is bright; Doxylamine; Fenofenadin; Gualfenesin; Loratidin; Des-Loratidin; Phenyltoloxamine; Fenazil; Pyridamine; RMI 9918; Troxerutin; Ethyldopa; Methylphenidate; Benzalcon.Chloride; Benzeth.chloride; Cetylpyrid.Chloride; Chlorhexidine; Ecabet Sodium; Haloperole; Allopurinol; Colchinine; Theophylline; Propranolol; Prednisolone; Prednisone; Fluoride; Urea; Actot; Glibenclamide; Glipizide; Metformin; Miglitol; Repaglinide; Rosiglitazone; Apomorphine; Cialis; Sildenafil; Valdenafil; Diphenoxylate; Dimeticone; Cimetidine; Famotidine; Ranitidine; Ratinidine; Cetrizin; Loratadine; Aspirin; Benzocainum; Dextro-methorphan; Phenylpropanolamine; Pseudoephedrine; Cisapride; Domperidone; Metoclopramide; Acyclovir; Dioctylsulfosucc.; Phenolphthalein; Almotriptan; Eletriptan; Ergotamine; Migea; Naratriptan; Rizatriptan; Sumatriptan; Zolmitriptan; Aluminium salt; Calcium salt; Ferrous salt; Silver salt; Zinc salt; Amphotericin B; Chlorhexidine; Miconazole; Triamcinolonacetonid; Melatonin; Phenobarbital; Caffeine; Benzodiazepiner; Hydroxyzine; Meprobamate; Phenthazine; Buclizine; Brometazine; Cinnarizine; Marezine; Difenhydramine; Dramamine; Fourth Lip river Di Er; Amphetamine; Caffeine; Ephedrine; Orlistat; Phenylephedrine; Phenylpropanolamine; Pseudoephedrine; Sibutramine; Ketoconazole; Monobel; Nystatin; Progesterone; Testosterone; Cobalamin; Vitamin C; Vitamin A; Vitamin D; Vitamin E; Pilocarpine; Acetyl ammonia aluminium; Cimetidine; Esomeprazole; Famotidine; Lansoprazole; Magnesia; Nizatidine and/or Ratinidine.
Usually, chewing gum prepared in accordance with the present invention and matrix are preferably fully based on Biodegradable polymeric.Yet, also can use traditional chewing gum elastomer or elastomer elasticizer within the scope of the invention.Thereby in one embodiment of the invention, at least a Biodegradable polymeric comprises the 5%-at least 90% at least of chewing gum polymer, and all the other polymer comprise and are considered to abiotic degradable polymer usually, as natural resin, synthetic resin and/or synthetic elastomer.
Can have outer coatings according to chewing gum of the present invention.The hard coatings that is suitable for can be selected from sugar-coat and sugar free coatings and its combination.Hard coatings can for example comprise the polyalcohol of 50-100 weight %, and this polyalcohol is selected from D-sorbite, maltitol, mannitol, xylitol, erythritol, lactitol and isomalt and variation (variations) thereof.In one embodiment of the invention, outer coatings is to comprise edible film, comprises at least a component that is selected from edible film forming agent and wax.For example, film forming agent can be selected from cellulose derivative, modified starch, dextrin, gelatin, shellac, Arabic gum, zein, natural gum, synthetic polymer and combination arbitrarily thereof.In one embodiment of the invention, outer coatings comprises at least a additive component, the reagent of chewing the back degraded that it is selected from adhesive, moisture absorption component, film forming agent, dispersant, anti-adhesion component, filler, flavoring agent, colouring agent, medicine or cosmetic active component, lipid composition, wax component, sugar, acid and can quickens degradable polymer.
Outer coatings is the Soft Roll clothing in another embodiment of the present invention.The Soft Roll clothing can comprise the sugar free coatings agent.
Embodiment 7
Set up experiment, purpose is compare test: contain based on the chewing gum 2001 of the polymer blend of the matrix of pure polyester type 2 and the chewing gum 2007 that contains based on the matrix of the polymer 2007 of the mixture of polyester type 1 and polyester type 2, it prepares and explanation in embodiment 6.
Chewing gum core in chewing machine (CF Jansson).Chewing frequency setting is 1Hz, and the pH buffer solution is as saliva, and temperature is set at 37 ℃.Chewing time set is 30 seconds.After chewing, utilize on the AR1000 type flow graph of TA instruments and measure chaw.(d=2.0cm hatched) carries out vibration measurement with the stress in the linear-viscoelastic zone 37 ℃ temperature with the parallel-plate system.G ' is to shear rate, and G ', G " frequency is mapped.
Visible Fig. 1 of the result of these mensuration (stress scans) and Fig. 2 (frequency scanning).
From Fig. 1 as seen, the chewing gum formulations that contains polymeric blends has higher elastic modelling quantity, means with the chewing gum formulations 2001 that only contains based on the polymer of polyester type 2 to compare, and chewing gum 2007 has improved texture properties.
Fig. 2 illustrates storage modulus G " and modulus of elasticity G ', at G ' and G " between intersection be elastomeric sign, the intersection of finding at low frequency means that than the intersection of finding at high frequency higher elasticity is arranged.Find that once more 2007 have than 2001 higher elasticity, thereby cause finding to intersect in lower frequency.
Above rheology result confirm the fact: compared by the chewing gum of the matrix of forming based on the polymer of polyester type 2 with only containing, the chewing gum that contains the matrix of being made by the correct combination (resin of the elastomer of polyester type 1 and polyester type 2) of different polymer has the texture that more approaches traditional matrix and chewing gum.
Test two kinds of gum sample 2001 and 2007 by the organoleptic test person in supplying with it between tasting, make the tasteless plastic cup that 3-position random coded is arranged of 40ml under (sample places) room temperature between this trial test according to the ISO8598 standard.Chewing 0-0.30 minute (starting stage 1) respectively, minute 0.30-1 (starting stage 2), minute 1-1.30 (starting stage 3), minute 1-1.30 (interstage 1), minute 4-4.30 (interstage 2), minute 4.30-5 (interstage 3), 9-9.30 minute (terminal stage 1), 9.30-10 minute (terminal stage 2) post-evaluation laboratory sample.Between each sample test, allow the experimenter to have a rest 3 minutes.Repeat each experiment.
Texture parameter below the evaluation: pliability, succulence, mint flavored, nice and cool degree, slickness, sugariness, bitter taste, elasticity and volume.To these parameters each, require the experimenter that their evaluation is provided according to the arbitrary scale of 0-15.Utilize FIZZ computer program (French Bio System) to handle resulting data, and the result is changed into sense organ curve map as shown in Fig. 3, Fig. 4 and Fig. 5.Main difference between all stage experiment chewing gums is as follows:
By only comparing, demonstrate obviously higher elasticity, bigger volume and more soft texture with accordingly by the prepared chewing gum of matrix of the mixture of polymers that comprises polyester type 1 and polyester type 2 based on the prepared chewing gum of the matrix of the polymer of polyester type 2.With compare based on the chewing gum of the lacking flexibility of polyester type 2, volume and pliability, all three parameters are variant in positive direction.
Also find in the main difference aspect the sense of taste parameter, demonstrate obviously higher peppermint, nice and cool degree and sweet taste based on the chewing gum of the mixture of polyester type 1 and polyester type 2 and feel in middle and final stage survey beginning.This compares with polyester type 2 biodegradable prescriptions is very important improvement, and the cycle of flavor perception is compared some weak point with traditional chewing gum in the prescription of this polyester type 2.
Embodiment 8
Set up experiment, purpose is to measure the influence of the different mixtures (203-210) of polyester type 1 and polyester type 2.
Correspondingly, use is measured following rheological parameter as flow graph illustrated among the embodiment 7.Stress scans and frequency scanning 100 ℃ of all gum base formulation of assessment.
The result is summarised in Fig. 6 and 7, and as shown in it, as illustrated in embodiment 4, the amount of elastomer polymer is high more, and the elastic characteristic of each matrix is just high more.Show among Fig. 7 and do not have matrix at G ' and G " between occur intersecting, but have the trend of knowing to show: elastomeric content is high more, G ' and G " just approaching more.
Because the difference of elastomer content is less, the rheology that contains a small amount of elastomeric matrix (203 and 204) demonstrates similar curve.
Embodiment 9
In the table 3, estimate some prescriptions by group according to sugariness, mint flavored, nice and cool degree, succulence, elasticity, pliability 1, pliability 2, volume and the rattler sound (creakiness) that creaks.The scale that is used to estimate is as follows: 1 is that minimum rank and 5 is highest level.
Table 3:
Sensory evaluation with the peppermint chewing gum of the resins of the elastomer of the polyester type 1 of different proportion and polyester type 2
Chewing gum Matrix Elastomeric/than tree rate fat Sensory evaluation
Sugariness Mint flavored Nice and cool degree Succulence Elasticity Pliability 1 Pliability 2 Volume The rattler sound creaks
2003 203 5/95 3 3 2 3 1 1 1 1 0
2004 204 10/90 3 3 2 3 2 1 2 2 0
2005 205 25/75 3 3 2 4 2 2 3 2 0
2006 206 40/60 2 2 2 3 3 3 3 3 0
2008 208 60/40 4 2 3 3 4 2 4 4 0
2009 209 80/20 3 3 3 3 4 2 2 4 0
2010 210 95/5 2 2 3 3 5 2 3 4 0
As from table 3 as seen, utilize the various combination of different polymer to provide to adjust texture and taste possibility to desirable characteristics.The elastomer of polyester type 1 has been given different structures and taste effect with the various combination of the resin of polyester type 2.
Effect shows: the elastomeric amount with polyester type 1 increases, and elasticity is also higher.In addition, based on whole sense organ structure evaluation, when observing the combination when the resin of the polyester type 2 of the elastomer that uses 60% polyester type 1 and 40%, the texture effect of the best is arranged about elasticity, pliability, volume and the rattler sound that creaks.

Claims (54)

1. chewing gum that comprises at least two kinds of different biodegradable polymers, wherein at least a described biodegradable polymer comprises polyester polymers.
2. according to the chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1, wherein: at least a in described at least two kinds of different biodegradable polymers comprises at least a biological degradable elasticity body, and at least a in described at least two kinds of different biodegradable polymers comprises at least a biodegradable elastomer elasticizer, and described biodegradable plasticizer comprises at least a biodegradable polymer.
3. according to the chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1 or 2, at least a in wherein said at least two kinds of different biodegradable polymers comprises the polyester that the reaction by at least a pure or derivatives thereof and at least a sour or derivatives thereof generates.
4. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-3, the derivative of wherein said alcohol comprises the ester of alcohol.
5. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-4, the derivative of wherein said acid comprises the ester of carboxylic acid, acid anhydride or halide.
6. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-5, the derivative of wherein said acid comprises the methyl esters of acid.
7. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-6, wherein said pure or derivatives thereof comprises polyalcohol.
8. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-7, wherein said sour or derivatives thereof comprises multi-functional carboxylic acid.
9. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-8, the PD of the wherein said at least a biodegradable polymer that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof is 1.1-20, is preferably 1.3-12.
10. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-9, at least a polyester that obtains by the polymerization of at least a cyclic ester that comprises in wherein said at least two kinds of different biodegradable polymers.
11. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-10, the wherein said polyester that is obtained by the polymerization of at least a cyclic ester is to small part derived from alpha-carboxylic acid such as lactic acid and glycolic acid.
12. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-11, the wherein said polyester that is obtained by the polymerization of at least a cyclic ester is to small part derived from alpha-carboxylic acid, and the 'alpha '-hydroxy acids unit that comprises at least 20 moles of % in the resulting polyester, be preferably the 'alpha '-hydroxy acids unit of at least 50 moles of %, most preferably be the 'alpha '-hydroxy acids unit of at least 80 moles of %.
13. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-12, wherein two or more at least cyclic esters is selected from glycolide, lactide, lactone, cyclic carbonate or its mixture.
14. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-13, wherein internal ester monomer is selected from 6-caprolactone, δ-Wu Neizhi, gamma-butyrolacton and beta-propiolactone, it also is included in any non-carbonylic carbon atom place of edge ring by 6-caprolactone, δ-Wu Neizhi, gamma-butyrolacton or beta-propiolactone that one or more alkyl or aryl substituting groups replace, comprises and contains two substituent compounds on the identical carbon atom.
15. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-14, wherein carbonate monomer is selected from trimethylene carbonate, 5-alkyl-1,3-diox-2-ketone, 5,5-dialkyl group-1,3-diox-2-ketone or 5-alkyl-5-alkoxy carbonyl group-1,3-diox-2-ketone, ethylene carbonate, 3-ethyl-3-methylol, propylene carbonate, the trimethylolpropane monocarbonate, 4,6 dimethyl-1, the ammediol carbonic ester, 2,2-dimethyl trimethylene carbonate and 1,3-dioxepan-2-ketone and composition thereof.
16. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-15, the cyclic ester polymer and the copolymer thereof that wherein derive from the cyclic ester monomer polymerization comprise: poly-(L-lactide); Poly-(D-lactide); Poly-(D, L-lactide); Poly-(Study of Meso-Lactide); Poly-(glycolide); Poly-(trimethylene carbonate); Poly-(6-caprolactone); Poly-(the L-lactide-altogether-D, the L-lactide); Poly-(the L-lactide-altogether-meso-lactide); Poly-(L-lactide-co-glycolide); Poly-(the L-lactide-altogether-trimethylene carbonate); Poly-(the L-lactide-altogether-6-caprolactone); Poly-(D, the L-lactide-altogether-meso-lactide); Poly-(D, L-lactide-co-glycolide); Poly-(D, the L-lactide-altogether-trimethylene carbonate); Poly-(D, the L-lactide-altogether-6-caprolactone); Poly-(meso-lactide-co-glycolide); Poly-(meso-lactide-altogether-trimethylene carbonate); Poly-(meso-lactide-altogether-6-caprolactone); Poly-(glycolide-altogether-trimethylene carbonate); Poly-(glycolide-altogether-6-caprolactone).
17. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-16, the PD of the wherein said polyester that is obtained by the polymerization of at least a cyclic ester is 1.1-15, is preferably 1.3-9.
18. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-17, wherein said at least a biological degradable elasticity body comprises the described polyester that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
19. the chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 18, wherein said elastomer is by at least a acid and at least a diethylene glycol (DEG) and 1 of being selected from that is selected from terephthalic acids, phthalic acid, adipic acid, pimelic acid or its combination, the reaction of the alcohol of 4-butanediol or its combination and generating.
20. the chewing gum that comprises at least two kinds different biodegradable polymer according to claim 18 or 19, the molecular weight of the wherein said at least a biological degradable elasticity body that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof is 10000-250000g/mol (Mn), is preferably 20000-150000g/mol (Mn).
21. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-20, wherein at least a described biodegradable elastomer elasticizer comprises the described polyester that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
22. the chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 21, wherein said elastomer elasticizer is acid and at least a ethylene glycol, the diethylene glycol (DEG) and 1 of being selected from that is selected from terephthalic acids, butanedioic acid, malonic acid and adipic acid or its combination by at least a, and the reaction of the alcohol of 4-butanediol or its combination generates.
23. the chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 21 or 22, the molecular weight of the wherein said at least a biological degradable elasticity body plasticizer that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof is 500-19000g/mol (Mn), is preferably 1500-9000g/mol (Mn).
24. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-23, wherein at least a described biological degradable elasticity body comprises the described polyester that is obtained by the polymerization of at least a cyclic ester.
25. the chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 24, the molecular weight of wherein said biological degradable elasticity body is in the scope of 10000-1000000g/mol (Mn), be preferably in the scope of 30000-250000g/mol (Mn), described biological degradable elasticity body comprises at least a described polyester that is obtained by the polymerization of at least a cyclic ester.
26. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-25, wherein at least a described biological degradable elasticity body plasticizer comprises the described polyester that is obtained by the polymerization of at least a cyclic ester.
27. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-26, wherein said chewing gum comprises at least a elastomer elasticizer and at least a elastomer, described elastomer elasticizer comprises at least a described polyester that is obtained by the polymerization of at least a cyclic ester, and described elastomer comprises at least a described polyester that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
28. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-27, wherein said at least two kinds of different polymer are hydrophilic.
29. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-28, the molecular weight difference between wherein said at least two kinds of different polymer is at least 1000g/mol Mn.
30. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-29, molecular weight difference between wherein said at least two kinds of different polymer is at least 20000g/mol, preferably is at least 50000g/mol Mn.
31. any one chewing gum that comprises at least two kinds of different Biodegradable polymerics according to claim 1-30, the molecular weight of wherein said biodegradable plasticizer is in the scope of 500-19000g/mol, preferably in the scope of 1500-9000g/mol Mn, described biodegradable plasticizer comprises at least a described polyester that is obtained by at least a cyclic ester polymerization.
32. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-31, wherein said at least two kinds of different biodegradable polymers have different glass transition temperature Tg.
33. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-32, the wherein at least a biodegradable polymer that adopts, be preferably plasticizer, have at least+1 ℃, be preferably at least+10 ℃, more preferably at least+20 ℃ glass transition temperature.
34. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-33, at least a in wherein said at least two kinds of different biodegradable polymers has less than 0 ℃, be preferably less than-30 ℃, and more preferably less than-50 ℃ glass transition temperature.
35. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-34, wherein resulting chewing gum has at least two different glass transition temperature Tg.
36. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-35, wherein chewing gum comprises at least a biological degradable elasticity body and at least a biodegradable plasticizer with the glass transition temperature that surpasses 0 ℃ with the glass transition temperature that is lower than 0 ℃.
37. according to any one chewing gum that comprises at least two kinds of different Biodegradable polymerics of claim 1-36, wherein said chewing gum comprises: at least a biological degradable elasticity body, content are about 0.5-about 70% of chewing gum weight; At least a biodegradable plasticizer, content are about 0.5-about 70% of chewing gum weight; With at least a chewing gum component that is selected from softening agent, sweetener, flavoring agent, active component and filler, content is about 2-about 80% of chewing gum weight.
38. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-37, all biodegradable polymers that wherein are included in the chewing gum account at least 25% of chewing gum polymer, preferably account at least 50% of chewing gum polymer.
39. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-38, all biodegradable polymers that wherein are included in the chewing gum account at least 80% of chewing gum polymer, preferably account at least 90% of chewing gum polymer.
40. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-39, wherein said chewing gum does not contain abiotic degradable polymer substantially.
41. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-40, wherein said chewing gum component comprises flavoring agent.
42. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-41, wherein said chewing gum comprises that the amount of spices is the about 30 weight % of 0.01-, described percentage is based on the gross weight of chewing gum, be preferably the about 4 weight % of 0.2-, described percentage is based on the gross weight of chewing gum.
43. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-42, wherein said chewing gum component comprises sweetener.
44. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-43, wherein said chewing gum comprises that the amount of filled-type sweetener is that about 5-of chewing gum weight is about 95%, more typically is about 20-about 80% of chewing gum weight.
45. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-44, wherein chewing gum comprises that the amount of high-intensity sweeteners is that about 0-of chewing gum weight is about 3%, more typically is about 0.05-about 0.5% of chewing gum weight.
46. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-45, wherein chewing gum comprises at least a softening agent, the amount of softening agent is that about 0-of chewing gum weight is about 18%, more typically is about 0-about 12% of chewing gum weight.
47. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-46, wherein said chewing gum component comprises active component.
48. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-47, wherein said chewing gum comprises filler, the amount of filler is that about 0-of chewing gum weight is about 50%, is preferably about 10-about 40% of chewing gum weight.
49. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-48, wherein said chewing gum comprises at least a colouring agent.
50. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-49, wherein said chewing gum is coated by outer coatings.
51. any one chewing gum that comprises at least two kinds of different biodegradable polymers according to claim 1-50, wherein said chewing gum comprises: at least a elastomer and at least a elastomer elasticizer, this elastomer comprises at least a described polyester that is obtained by the polymerization of at least a cyclic ester, and this elastomer elasticizer comprises at least a described polyester that generates by the reaction of at least a pure or derivatives thereof and at least a sour or derivatives thereof.
52. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-51, wherein said chewing gum is no wax substantially.
53. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-51, wherein said chewing gum comprises wax.
54. according to any one chewing gum that comprises at least two kinds of different biodegradable polymers of claim 1-40, wherein said chewing gum is a matrix.
CN03822649.9A 2002-09-24 2003-09-24 Chewing gum comprising at least two different biodegradable polymers Pending CN1728949A (en)

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